CN104498996A - Temperature-regulating and deformation-preventing structure for aluminum electrolysis cell shell - Google Patents
Temperature-regulating and deformation-preventing structure for aluminum electrolysis cell shell Download PDFInfo
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- CN104498996A CN104498996A CN201410757570.5A CN201410757570A CN104498996A CN 104498996 A CN104498996 A CN 104498996A CN 201410757570 A CN201410757570 A CN 201410757570A CN 104498996 A CN104498996 A CN 104498996A
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- plate
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- side plate
- large face
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/20—Automatic control or regulation of cells
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a temperature-regulating and deformation-preventing structure for an aluminum electrolysis cell shell. The temperature-regulating and deformation-preventing structure for the aluminum electrolysis cell shell is characterized in that a large-faced side plate and a small-faced side plate of the aluminum electrolysis cell shell are respectively formed by dual-layer side plates with inner-side flat plates and outer-side corrugated plates; compressed air pipelines with quick couplings are arranged in hollow regions formed by the corresponding inner-side flat plates and the corresponding outer-side corrugated plates, and can be connected with a main compressed air pipe of a workshop by virtue of joints. According to the temperature-regulating and deformation-preventing structure, the purpose that the temperatures of the side plates of the cell shell are regulated in real time is achieved, and the outward-arching deformation of the large-faced side plate and the small-faced side plate of the cell shell can be controlled; the temperature-regulating and deformation-preventing structure is simple and easy to realize, and facilitates stable and safe production of an electrolysis cell, improvement of the labor efficiency and prolonging of the service life of the aluminum electrolysis cell shell.
Description
Technical field
The present invention relates to the distortion-free structure of a kind of temperature regulating for aluminum cell casing, it is characterized in that pot shell large side plate and little side plate adopt double layer side plank frame, belong to aluminium electrolytic equipment technical field.
Background technology
Along with aluminium cell maximizes day by day, from roasting and starting in the whole production cycle of pot shell overhaul, controlling rational pot shell side plate temperature is the stove side of formation rule and the prerequisite of stable negative electrode thermal equilibrium system, and plays a key effect to the extension slot life-span.
On the one hand, because every operating mode in producing is in dynamic change, pot shell side plate temperature therefore to be made to be in balance, just needs at times, subregion, point intensity pot shell side plate temperature is regulated.
Current existing pot shell due to side plate temperature uncontrollable, in addition operating mode electric current bias current often, brings the uncontrollable heat flow of melt in electrolytic bath thorax, causes thinning and side plate temperature rising of locally crusting, and then causing stove to help formation bad, side plate steel plate is rubescent, the aluminising of cathode steel bar window.Continue under Hui Xuan washes away, to continue etching tank shell-side plate, seriously directly cause bakie to stop the work safety accidents such as groove, add running cost at aluminium liquid.
At present both at home and abroad aluminum electrolysis industry is for the overheated problem of pot shell side plate, and take increase radiator element, arrange Industrial fan, connect the methods such as compressed air pipe directly blows, object is all increase side plate the quantity of heat convection, avoids temperature too high.But existing way cannot tackle the problem at its root.Weld too much radiator element, produce constructional difficulties and welding distortion, radiating effect is not obvious; Industrial fan air quantity is too small, rolls dust from flying, causes secondary pollution, is unfavorable for Occupational health; Pneumatic line directly blows power consumption comparatively greatly, and affect the just conventional gas of other equipment, and can only alleviate local superheating, pipeline moves difficulty, and operative's labour intensity is large, and pipeline is intricate, affects production operation; Above-mentioned various method all cannot at times, subregion, point intensity adjustments pot shell side plate temperature.
On the other hand, inhale na expansion at pot shell upper and lower temperature difference and later stage cathode carbon pieces, on carbonitride of silicium lateral mass each factor such as top power comprehensive action under, pot shell side plate is subject to complexity and long-term stress, and pot shell side plate easily occurs to encircle distortion outward.
Current existing pot shell side plate is single flat plate structure, rigidity is undesirable, very easily there is creep and form expendable outer arch distortion, cause negative electrode early damage, promote negative electrode break joint seepage ionogen and aluminium liquid, accelerate corrosion rod iron, easily strike sparks, failure of insulation, finally cause early damage, the phenomenons such as cell life reduction.
Summary of the invention
Regulate and Problems existing in Deformation control two in temperature for existing aluminum cell casing, the invention provides the distortion-free structure of a kind of temperature regulating for aluminum cell casing, with solve prior art exist cause pot shell side plate steel plate overheated, side plate encircles the serious problem of distortion outward, stop to cause inner lining damage by it, even bakie, stop the industrial accidents such as groove.
The technical solution adopted for the present invention to solve the technical problems is: in large face side plate and little the side plate place employing double layer side plate structure of aluminum cell casing, interior plate is dull and stereotyped, outer panel is waved plate, and the ripple heave direction of waved plate is perpendicular to pot shell length direction.Inner side is dull and stereotyped to be held out against with outside waved plate, and contacting, part adopts electric resistance welding.Inner side flat board is with outside waved plate outside contact area, and namely the part of waved plate projection forms many hollow region.Shrouding is adopted to block in an end of many hollow region of two-layered steel plates formation.Reserve the steel pipe pipeline of a length of tape rapid-acting coupling in every bar hollow region that shrouding is corresponding, these band steel pipe pipelines of rapid-acting coupling are responsible for the pressurized air in workshop and are connected, and can connect at any time or disconnect wherein one or more.
Above-mentioned aluminum cell casing profile is uncovered stereoscopic rectangular structure, comprises 2 large face side plates, 2 little side plates and 1 trough floor.
In the distortion-free structure of above-mentioned temperature regulating, the bottom surface of large face side plate and the bottom surface of little side plate is all welded or bolt is connected in trough floor; There is 15 ~ 30 of horizontal array bassinet stands welding or with bolts outside 2 large face side plates; Bassinet stand bottom girder is close to, weld or with bolts in trough floor bottom surface; Have 2 ~ 3 of vertical distribution layers of little coaming plate to be welded on outside little side plate, and corner extend to the bassinet stand position of the most end at side plate place, large face; Have on outside 5 ~ 10 row gusset welding and little side plate, disconnect in the position crossing with each layer little coaming plate, and weld with little coaming plate.
In the distortion-free structure of above-mentioned temperature regulating, the ripple cross section of waved plate can be semicircle, trilateral, rectangle, trapezoidal, band fillet trapezoid, half section Polygons.
In the distortion-free structure of above-mentioned temperature regulating, large face side plate is identical with the height of little side plate, and namely the height of large inner side flat board is identical with the height of little inner side flat board; Outside large face, the height of waved plate is identical with the height of little outside waved plate; Outside large face, the height of waved plate and little outside waved plate is less than 1/2 of height dull and stereotyped inside dull and stereotyped inside large face and little, and along concordant on each plate.
Above-mentioned bottom surface refers to the part of trough floor between 2 large face side plates and 2 little side plates.
Above-mentioned bassinet stand is U-shaped structure, is made up of 2 bassinet stand vertical beams and 1 bassinet stand bottom girder, and internal orifice width is equal with 2 large face side plate outer side spacing; Each bassinet stand vertical beam and bassinet stand bottom girder are H profile steel, joist steel T-steel or variable cross-section T-steel; Each bassinet stand is parallel to each other.
Little above-mentioned coaming plate is horseshoe clamp plate, and U-shaped internal orifice width is equal with 2 large face side plate outer side spacing; Between adjacent webs, empty position is provided with ventilation hole, and ventilation hole is circle, ellipse, semicircle, rectangle, trilateral, trapezoidal, band fillet trapezoid; Each layer little coaming plate is parallel to each other; Multilayer coaming plate can welding region height be more than 1/2 of little side plate height, and each layer coaming plate spacing is impartial.
Above-mentioned gusset is dull and stereotyped, and shape is trilateral, rectangle, semicircle, trapezoidal.
Double layer side plate structure of the present invention, the double layer side that dull and stereotyped and waved plate combines is board-like at large face side plate and little side plate, waved plate forms many hollow boss, namely many gussets are defined at large face side plate and little side plate place, improve the rigidity of large face side plate, avoid the local deformaton of large face side plate and entirety to encircle outward, stronger fastening bearing capacity and larger device integral rigidity can be produced with thinner zores bar.And due to the reduction of side plate thickness, single unit system rolled steel dosage is also less.
Many the hollow region that inner side waved plate bossing is formed are utilized as air channel by the present invention, the steel pipe pipeline of the length of tape rapid-acting coupling reserved by every bar hollow region with workshop pressurized air directly passes into these air channels, and the air-flow in air channel is discharged by opposite side.Along with air-flow is discharged, take away the heat of side plate, and then regulate side plate temperature.And can connect fast or disconnect one or more hollow region, these regions correspond to coating material layer, dielectric substrate, aluminium liquid layer, charcoal block layer, impervious barrier and thermal insulation layer etc. in electrolytic bath thorax in vertical short transverse, and then the effect of regulating tank shell-side plate temperature at any time can be reached, be easy to realize dynamic temperature balance and precise temp adjustment, prevent local superheating, melt corrosion side plate, there is bakie accident, also be beneficial to formation rule stove side simultaneously, keep the production groove condition that aluminium cell is good.
Compared with prior art, the invention solves the problem of aluminum cell casing side plate temperature adjustment, controlled by the keying in multizone many air channels, four sides, reach at times, subregion, point intensity adjustment side plate temperature, and then stopped the overheated phenomenon of side plate, promote to form stable melt stove side; Simultaneously solve with less rolled steel dosage the distortion that aluminum cell casing large insufficient rigidity cause, and then stopped the phenomenons such as side plate distortion is serious, failure of insulation sparking, inner lining damage, aluminium liquid electrolyte solution seepage, avoid bakie, stop the appearance of the industrial accidents such as groove.
The invention has the beneficial effects as follows the two aspect problems simultaneously solving the adjustment of aluminum cell casing side plate temperature and Deformation control with a kind of structure; Save the consumption of pressurized air and electric energy, improve labour productivity, alleviate hand labor intensity; Structure is simple, successful, is easy to realize, and is convenient to control, has technology popularization prospect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the distortion-free structure of a kind of temperature regulating for aluminum cell casing of the present invention.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the B-B face structural representation of Fig. 1.
Fig. 4 is the C-C face structural representation of Fig. 1.
Fig. 5 is the partial enlarged drawing of I.
Fig. 6 is the partial enlarged drawing of II.
In figure: 1. dull and stereotyped inside large face, 2. waved plate outside large face, 3. large face bassinet stand vertical beam, 4. large face bassinet stand bottom girder, 5. little shroud, 6. pneumatic line, 7. rapid-acting coupling, 8. little inner side is dull and stereotyped, 9. little outside waved plate, 10. gusset, 11. little coaming plates, 12. pipeline shroudings, 13 trough floor.
Embodiment
The materials such as the flat board adopted in the embodiment of the present invention, waved plate, bassinet stand, coaming plate, gusset are common iron.
Waved plate in the embodiment of the present invention, ripple cross section can be semicircle, trilateral, rectangle, trapezoidal, band fillet trapezoid or half section Polygons, and in vertical direction height, ripple quantity is 5 ~ 10.
Embodiments of the invention: the distortion-free structure of a kind of temperature regulating for aluminum cell casing as shown in Figure 1, plan structure as shown in Figure 2, A-A face structure as shown in Figure 3, B-B face structure as shown in Figure 4, pot shell profile is uncovered stereoscopic rectangular structure, comprise by two large face side plates (being made up of waved plate 2 outside flat board 1 inside large face and large face), the pot shell that two little side plates (being made up of little inner side dull and stereotyped 8 and little outside waved plate 9) and a trough floor 13 are formed.Large face side plate, little side plate are double layer side plate structure, and interior plate is dull and stereotyped, and outer panel is waved plate, and ripple heave direction is perpendicular to pot shell length direction.Inner side is dull and stereotyped to be held out against with outside waved plate, adopts pressure welding in planar contact area.Inner side flat board is with outside waved plate outside contact area, and namely the part of waved plate projection forms many hollow region.Large face side plate (inside large face dull and stereotyped 1 and large face outside waved plate 2) and the end employing pipeline shrouding 12 of many hollow region that formed of the double-deck side plate of little side plate (little inner side dull and stereotyped 8 and little outside waved plate 9) block.Reserve the pneumatic line 6 of a length of tape rapid-acting coupling 7 in every bar hollow region of pipeline shrouding 12 correspondence, pneumatic line 6 can be connected at any time by the pressurized air supervisor in workshop or be disconnected one or more.
Large face side plate is identical with the height of little side plate, and namely the height of large inner side flat board is identical with the height of little inner side flat board; Outside large face, the height of waved plate is identical with the height of little outside waved plate; Outside large face, the height of waved plate and little outside waved plate is less than 1/2 of height dull and stereotyped inside dull and stereotyped inside large face and little, and along concordant on each plate.
The large face bassinet stand vertical beam 3 of horizontal array welds or bolt be connected on two large face side plates large face outside the outside of waved plate 2, large face bassinet stand bottom girder 4 welds, bolt connects or is close to trough floor 13 bottom surface.
Bassinet stand is that two large face bassinet stand vertical beams 3 and a large face bassinet stand bottom girder 4 form, and monnolithic case is U-shaped, and internal orifice width is equal with spacing outside two large face side plates.Two large face bassinet stand vertical beams weld with waved plate 2 outside two large faces respectively or bolt is connected, and large face bassinet stand bottom girder 4 compresses with trough floor 13, weld or bolt is connected; Each bassinet stand vertical beam and bassinet stand bottom girder are H profile steel, joist steel T-steel or variable cross-section T-steel; Each bassinet stand is parallel to each other.
Trough floor 13 is the smooth plate of rectangle, band corner chamfering rectangle or band corner round rectangle.
Above-mentioned little coaming plate 11 is horseshoe clamp plate, and U-shaped internal orifice width is equal with 2 large face side plate outer side spacing; Be provided with ventilation hole at adjacent webs 10 empty positions, ventilation hole is circle, ellipse, semicircle, rectangle, trilateral, trapezoidal, band fillet trapezoid; Each layer little coaming plate 11 is parallel to each other; Multilayer little coaming plate 11 can welding region height be more than 1/2 of little side plate height, and each layer coaming plate spacing is impartial.
Little coaming plate 11 of multilayer vertical distribution is welded on little side plate, and corner extends to the position of the bassinet stand vertical beam 3 of the most end at side plate place, large face, and welds with it.Gusset 10 welds with on little side plate, disconnects in the position crossing with each layer little coaming plate and welds.
Gusset 10 is trilateral, rectangle, semicircle, trapezoidal flat board, and each row gusset is parallel to each other.
Suitable for reading and the bottom surface of pot shell is rectangle, band corner chamfering rectangle or band corner round rectangle.
Bassinet stand quantity is 15 ~ 30, and the number of plies of little coaming plate 11 is 2 ~ 3 layers, and the columns of gusset 10 is 5 ~ 10 row.
Claims (4)
1. the distortion-free structure of the temperature regulating for aluminum cell casing, include two large face side plates, two little side plates and a trough floor composition, two large face side plates and trough floor have 15 ~ 30 bassinet stands, two little side plates have 2 ~ 3 of vertical direction layers of little coaming plate and 5 ~ 10 row gussets, it is characterized in that: large face side plate and little the side plate of aluminum cell casing are made up of the double-deck side plate of inner side flat board and outside waved plate respectively; Hollow region that is dull and stereotyped in corresponding inner side and the formation of outside waved plate is equipped with the pneumatic line of band rapid-acting coupling, can be responsible for be connected by joint with workshop pressurized air.
2. the distortion-free structure of a kind of temperature regulating for aluminum cell casing according to claim 1, is characterized in that: outside large face, the ripple heave direction of waved plate and little outside waved plate is perpendicular to pot shell length direction.
3. the distortion-free structure of a kind of temperature regulating for aluminum cell casing according to claim 1, is characterized in that: bassinet stand vertical beam is connected to outside large face outside waved plate, and bassinet stand bottom girder is connected to trough floor bottom surface, parallel between each bassinet stand.
4. the distortion-free structure of a kind of temperature regulating for aluminum cell casing according to claim 1, is characterized in that: little coaming plate and link of boards are outside little outside waved plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410757570.5A CN104498996B (en) | 2014-12-12 | 2014-12-12 | A kind of distortion-free structure of temperature regulating for aluminum cell casing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410757570.5A CN104498996B (en) | 2014-12-12 | 2014-12-12 | A kind of distortion-free structure of temperature regulating for aluminum cell casing |
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| CN104498996A true CN104498996A (en) | 2015-04-08 |
| CN104498996B CN104498996B (en) | 2017-09-12 |
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| CN201410757570.5A Expired - Fee Related CN104498996B (en) | 2014-12-12 | 2014-12-12 | A kind of distortion-free structure of temperature regulating for aluminum cell casing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2564456A (en) * | 2017-07-12 | 2019-01-16 | Dubai Aluminium Pjsc | Electrolysis cell for Hall-Héroult process, with cooling pipes for forced air cooling |
| WO2019193436A1 (en) * | 2018-04-03 | 2019-10-10 | Dubai Aluminium Pjsc | Reinforced potshell design of an electrolytic cell suitable for the hall-héroult process |
| CN110565117A (en) * | 2018-06-06 | 2019-12-13 | 沈阳铝镁设计研究院有限公司 | Cradle casing of aluminum electrolysis bath |
| CN113913873A (en) * | 2021-10-12 | 2022-01-11 | 东北大学 | Aluminum electrolysis cell capable of serving as flexible load and heat balance control method thereof |
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| CN2811325Y (en) * | 2005-08-09 | 2006-08-30 | 沈阳铝镁设计研究院 | Aluminum cell shell |
| CN101052750A (en) * | 2004-10-21 | 2007-10-10 | Bhp比利顿创新公司 | Inner cooling for electrolyzation melted pond |
| CN201367469Y (en) * | 2009-03-05 | 2009-12-23 | 沈阳铝镁设计研究院 | Forced blowing cooling equipment of electrolysis bath |
| CN102230186A (en) * | 2011-06-29 | 2011-11-02 | 东北大学设计研究院（有限公司） | Cell shell device of aluminum electrolytic cell |
-
2014
- 2014-12-12 CN CN201410757570.5A patent/CN104498996B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101052750A (en) * | 2004-10-21 | 2007-10-10 | Bhp比利顿创新公司 | Inner cooling for electrolyzation melted pond |
| CN2811325Y (en) * | 2005-08-09 | 2006-08-30 | 沈阳铝镁设计研究院 | Aluminum cell shell |
| CN201367469Y (en) * | 2009-03-05 | 2009-12-23 | 沈阳铝镁设计研究院 | Forced blowing cooling equipment of electrolysis bath |
| CN102230186A (en) * | 2011-06-29 | 2011-11-02 | 东北大学设计研究院（有限公司） | Cell shell device of aluminum electrolytic cell |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2564456A (en) * | 2017-07-12 | 2019-01-16 | Dubai Aluminium Pjsc | Electrolysis cell for Hall-Héroult process, with cooling pipes for forced air cooling |
| WO2019193436A1 (en) * | 2018-04-03 | 2019-10-10 | Dubai Aluminium Pjsc | Reinforced potshell design of an electrolytic cell suitable for the hall-héroult process |
| CN110565117A (en) * | 2018-06-06 | 2019-12-13 | 沈阳铝镁设计研究院有限公司 | Cradle casing of aluminum electrolysis bath |
| CN113913873A (en) * | 2021-10-12 | 2022-01-11 | 东北大学 | Aluminum electrolysis cell capable of serving as flexible load and heat balance control method thereof |
| CN113913873B (en) * | 2021-10-12 | 2023-09-05 | 东北大学 | Aluminum electrolysis cell capable of serving as flexible load and heat balance control method thereof |
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| CN104498996B (en) | 2017-09-12 |
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